Mdi
[化] 二苯基亚甲基二异氰酸酯
🗣️ 情景例句
Well, at one o'clock
嗯， 一点钟
When the belly is full, the bones would be at rest.
饱暖图安逸。
In summer it is often too hot, and in winter it is too cold.
夏天常常太热，冬天又常常太冷。